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Sound Level Meter

Nor145 Sound Level Meter

Nor145 Class 1 sound level meter with 4.3" touchscreen, 4G LTE connectivity, GPS, and NorCloud integration for professional environmental and occupational noise measurements.

Overview

The Nor145 is a Class 1 sound level meter engineered for professionals who demand laboratory-grade accuracy in the field. Fully compliant with IEC 61672-1 and IEC 61260-1, with type approvals from PTB and LNE, the Nor145 delivers legally defensible noise measurements for environmental monitoring, occupational health assessments, and building acoustics testing across the GCC region and beyond. Des…

Key Features

  • IEC 61672-1 Class 1 precision with PTB/LNE type approval
  • 4.3" color touchscreen with intuitive smartphone-like interface
  • Built-in 4G LTE and WLAN for remote monitoring and control
  • GPS/GNSS location tagging for geo-referenced measurements
  • Voice and text notes directly attached to measurement data
  • Remote control via integrated web server on smartphone, tablet, or PC
  • Seamless NorCloud and NorVirtual App integration for fleet management
  • Real-time 1/1 and 1/3 octave spectrum analysis

Applications

  • Environmental noise monitoring per ISO 1996 and local regulations
  • Occupational noise assessment per ISO 9612 and OSHA requirements
  • Airport, road, and railway noise monitoring with automated alerts
  • Construction site noise compliance with permit conditions
  • Wind farm and industrial perimeter monitoring with remote data access
  • Community noise surveys and complaint investigation

Technical Specifications

  • Model: Nor145
  • Standards: IEC 61672-1 Class 1, IEC 61260-1 Class 1
  • Type Approvals: PTB, LNE, METAS approved
  • Frequency Range: 10 Hz – 20 kHz
  • Dynamic Range: > 120 dB (single range)
  • Measurement Range: 25 dB(A) to 140 dB(A)
  • Frequency Weighting: A, C, Z (simultaneous)
  • Time Weighting: F, S, I (simultaneous)
  • Octave Filters: 1/1 and 1/3 octave, real-time
  • Display: 4.3" color TFT touchscreen
  • Connectivity: WLAN 802.11 b/g/n, 4G LTE, USB-C
  • GPS: Built-in GNSS receiver

Frequently Asked Questions

  • Is the Nor145 Class 1 compliant?
    Yes, the Nor145 meets IEC 61672-1 Class 1 requirements and is type-approved by PTB, LNE, and other national laboratories. This ensures legally defensible measurements for regulatory compliance across the GCC region.
  • Can I monitor remotely with the Nor145?
    Yes. Built-in 4G/LTE and WLAN enable secure remote access, configuration, alarms, and data retrieval via NorCloud or the internal web server. This is ideal for supervising multiple monitoring points across large Vision 2030 construction sites.
  • Which software is compatible with Nor145?
    The Nor145 works seamlessly with NorCloud for fleet management, NorVirtual App for mobile control, and Nor850 PC software for advanced analysis, post-processing, and regulatory reporting.

Application Guide

The Nor145 Sound Level Meter belongs to the Norsonic Sound Level Meter range. See the Sound Level Meter application guide for system configuration, compatible accessories, and applicable measurement standards.

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Why Norsonic?

  • Manufactured in Norway — decades of acoustic measurement heritage; all instruments designed and built in Norsonic AS, Lierskogen, Norway
  • IEC 61672 Class 1 — highest accuracy class for professional and regulatory acoustic measurement
  • International type approvals — PTB (Germany) and LNE (France); accepted by environmental authorities across the region
  • 3-year manufacturer warranty — covers parts and labour; Norsonic Asia authorized service center support throughout the region
  • Open data formats — .nox files work with NorReview and can be exported to CSV, Excel, and third-party analysis software

Calibration and Compliance

  • All Norsonic instruments require periodic IEC 61672-3 calibration — Norsonic Asia provides factory-authorized calibration services with full DANAK-traceable certificates
  • Calibration interval: 1 year for ISO 17025 accredited laboratories; 2 years for field instruments in non-accredited applications
  • Field calibration check: use an IEC 60942 Class 1 sound calibrator (94 dB or 114 dB) before and after each measurement session
  • Loaner instruments available during calibration to minimize project downtime — contact Norsonic Asia for loaner availability

Availability & Regional Support

Available from Norsonic Asia — the factory-authorized distributor for ASEAN, GCC, and South Asia. Instrument supply includes 3-year manufacturer warranty, factory-authorized calibration services, operator training, and after-sales technical support.

  • Typical lead time: 3–6 weeks from order confirmation (ex-factory Norway)
  • Countries served: Singapore, Malaysia, Thailand, Vietnam, Philippines, Indonesia, UAE, Saudi Arabia, Qatar, Kuwait, India, Bangladesh, Sri Lanka, and more
  • Technical support: English and Arabic; response within 1 business day

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